EASY
10th Maharashtra Board
IMPORTANT
Earn 100

Draw the diagram of a DC generator. Then explain as to how the DC current is obtained.

Important Questions on Effects of Electric Current

EASY
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 4 - Effects of Electric Current>Exercise>Q 1
Tell the odd one out. Give proper explanation.
Fuse wire, bad conductor, rubber gloves, generator.
MEDIUM
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 4 - Effects of Electric Current>Exercise>Q 1
Tell the odd one out. Give proper explanation.
Loudspeaker, microphone, electric motor, magnet.
MEDIUM
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 4 - Effects of Electric Current>Exercise>Q 2
Explain the construction and working of the following. Draw a neat diagram and label it.
Electric motor
MEDIUM
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 4 - Effects of Electric Current>Exercise>Q 2
Explain the construction and working of the following. Draw a neat diagram and label it.
Electric Generator (AC)
EASY
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 4 - Effects of Electric Current>Exercise>Q 4
Explain the difference:
AC generator and DC generator
EASY
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 4 - Effects of Electric Current>Exercise>Q 6
How does the short circuit form? What is its effect?
EASY
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 4 - Effects of Electric Current>Exercise>Q 7
Give Scientific reason.
Tungsten metal is used to make a solenoid type coil in an electric bulb.
MEDIUM
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 4 - Effects of Electric Current>Exercise>Q 7
Give Scientific reason.
In the electric equipment producing heat e.g., iron, electric heater, boiler, toaster etc., an alloy such as Nichrome is used, not pure metals.